Galaxy S20 Ultra vs vivo iQOO 15T 5G: Which One Should You Buy?
vivo iQOO 15T 5G edges ahead with a BeastScore of 86.6/100 — but the right choice depends on what matters to you.
vivo iQOO 15T 5G wins 3 of 5 categories
Here's exactly where each phone is stronger.


Bigger shape = better phone.
Scores out of 100. How we score
- SpeedGalaxy S20 Ultra9086
- CameraGalaxy S20 Ultra9780
- VideoNot enough data
- SelfieNot enough data
- Batteryvivo iQOO 15T 5G8695
- Displayvivo iQOO 15T 5G8689
- ConnectivityNot enough data
- SecurityNot enough data
- Valuevivo iQOO 15T 5G5585
- vivo iQOO 15T 5G has the bigger battery8,000 mAh vs 5,000 mAh
- Galaxy S20 Ultra has the bigger screen6.9" vs 6.82"
- vivo iQOO 15T 5G has more RAM16 GB vs 12 GB
Why buy each phone
Swipe ⇄vivo iQOO 15T 5G wins — BeastScore 86.6/100
The vivo iQOO 15T 5G is the better pick for most people thanks to its bigger battery (8,000 mAh vs 5,000 mAh) and more RAM (16 GB vs 12 GB). The Galaxy S20 Ultra is worth a look if you prefer its bigger screen (6.9" vs 6.82").
Optical telephoto zoom (1 telephoto lens)
Larger battery: 8,000 mAh vs 5,000 mAh · More RAM: 16 GB vs 12 GB
Common questions
Which is better: Galaxy S20 Ultra or vivo iQOO 15T 5G?
The vivo iQOO 15T 5G is the better pick for most people thanks to its bigger battery (8,000 mAh vs 5,000 mAh) and more RAM (16 GB vs 12 GB). The Galaxy S20 Ultra is worth a look if you prefer its bigger screen (6.9" vs 6.82"). BeastScore: Galaxy S20 Ultra 86.7/100, vivo iQOO 15T 5G 86.6/100.
What are the main battery and display differences between Galaxy S20 Ultra and vivo iQOO 15T 5G?
Galaxy S20 Ultra has a 6.9-inch display and 5000 mAh battery. vivo iQOO 15T 5G has a 6.82-inch display and 8000 mAh battery.
How do Galaxy S20 Ultra and vivo iQOO 15T 5G compare for speed?
Galaxy S20 Ultra scores 90/100 for performance; vivo iQOO 15T 5G scores 86/100.
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Gear for the vivo iQOO 15T 5G
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